City vs city
St. Charles vs Winona, MN
Winona currently scores 4 points higher overall than St. Charles, with the largest gap in hail.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality is a current EPA AirNow signal; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
St. Charles: 27/100 · Winona: 31/100
Winona is 4 points higher.
Flood
St. Charles: 5/100 · Winona: 25/100
Winona is 20 points higher.
St. Charles: FEMA NFHL flood zones: 1 features intersect this tile.
Winona: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
St. Charles: 17/100 · Winona: 16/100
St. Charles is 1 points higher.
St. Charles: Wind exposure derived from ingested design wind / climatology tiles.
Winona: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
St. Charles: 22/100 · Winona: 16/100
St. Charles is 6 points higher.
St. Charles: Lightning exposure derived from ingested climatology tiles.
Winona: Lightning exposure derived from ingested climatology tiles.
Tornado
St. Charles: 31/100 · Winona: 8/100
St. Charles is 23 points higher.
St. Charles: Tornado risk derived from NOAA SPC historical reports.
Winona: Tornado risk derived from NOAA SPC historical reports.
Hail
St. Charles: 64/100 · Winona: 100/100
Winona is 36 points higher.
St. Charles: Hail risk derived from NOAA SPC historical reports.
Winona: Hail risk derived from NOAA SPC historical reports.
Storm surge
St. Charles: Unavailable · Winona: Unavailable
A score difference cannot be calculated without both sources.
St. Charles: Storm surge model is not available for this location yet.
Winona: Storm surge model is not available for this location yet.
Wildfire
St. Charles: 39/100 · Winona: 39/100
No gap.
St. Charles: Wildfire exposure derived from ingested fire potential tiles.
Winona: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
St. Charles: 14/100 · Winona: 15/100
Winona is 1 points higher.
St. Charles: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Winona: Air quality signal derived from the latest EPA AirNow combined AQI grid.